/Engine/Source/Runtime/Portal/Services/Public/Package/IPortalPackageInstaller.h
UninstallPackage
[TAsyncResult](API\Runtime\Core\Async\TAsyncResult)< bool > Install ( const [FString](API\Runtime\Core\Containers\FString) & Path, const [FString](API\Runtime\Core\Containers\FString) & AppName, const [FString](API\Runtime\Core\Containers\FString) & BuildLabel )